michelle obama loving the designer. how people can't get enough. >>> a lot coming up. but we begin with the breakup murder trial. jodi arias was on the stand again yesterday, with another new charge against her victim. this time, she said her ex-boyfriend once assaulted her and broke her finger. the big question, will the jury believe her? ryan owens has the latest. >> can you hold up your hand for us to see? >> reporter: jodi arias' crooked finger. she says it's evidence her boyfriend, travis alexander, abused her. >> i put my hand up to block his foot. and it clipped my hand. and hit my finger. >> reporter: although the serial liar now on trial for his murder, admits she never went to a doctor and never called police. >> i definitely didn't want him to get in trouble. >> reporter: convincing this jury she was abused, even though there's no corroborating evidence, is key to the 32-year-old's claim she was forced to kill alexander in self-defense in june of 2008. >> you don't think it would end up like this. >> reporter: on her fourth day on the stand, arias' father an